Question

The best cardiorespiratory workout is one that

a. makes you extremely tired.
b. makes you extremely sore the next day.
c. you'll perform on a regular basis.
d. produces a high amount of sweat.

Answer 1

The best cardiorespiratory workout is one that you will perform on a regular basis - c.

This indeed probably is something that's very important because without regular workouts, no exercise will help you as one that you're doing on a regular basis.